Extensivity and nonextensivity of two-parameter entropies
arXiv:cond-mat/0608054 · doi:10.1016/j.physa.2006.10.100
Abstract
In this paper, we investigate two-parameter entropies and obtain some conditions for their extensivity. By using a generalized , correlations for subsystems are related to the joint probabilities, so that the entropy remains extensive.
14 pages
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